#276DB4#276DB4

#276DB4 is a mid, vivid cyan. Relative luminance 0.147; OKLCH L 52.8% C 0.131 H 252.1°. Best body text is #FFFFFF at 5.34:1 contrast (WCAG AA passes).

Color values

HEX	#276DB4
RGB	rgb(39, 109, 180)
HSL	hsl(210, 64%, 43%)
HSV	hsv(210, 78%, 71%)
CMYK	cmyk(78.3%, 39.4%, 0%, 29.4%)
CIE-LAB	lab(45.17, 3.76, -43.77)
CIE-LCH	lch(45.17, 43.93, 274.91°)
OKLab	oklab(52.77% -0.0405 -0.125)
OKLCH	oklch(52.77% 0.131 252.1)
XYZ	xyz(14.5405, 14.6622, 45.2349)
Luminance	0.1466 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#276DB4 #B46E27

analogous

#27B3B4 #276DB4 #2727B4

triadic

#276DB4 #B4276D #6DB427

tetradic

#276DB4 #B427B3 #B46E27 #27B427

square

#276DB4 #B427B3 #B46E27 #27B427

split-complementary

#276DB4 #B42727 #B3B427

monochromatic

#11304F #1C4F82 #276DB4 #428CD6 #74AAE1

Accessibility & contrast

On white

5.34

#276DB4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.93

#276DB4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #276DB4

5.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##276DB4	#FFFFFF	#000000	##FFFFFF
##276DB4	1.00	5.34	3.93	5.34
#FFFFFF	5.34	1.00	21.00	1.00
#000000	3.93	21.00	1.00	21.00
##FFFFFF	5.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4B72B7

Deuteranopia (green-blind)

#3565B3

Tritanopia (blue-blind)

#007E88

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #276db4;
/* rgb */ color: rgb(39, 109, 180);
/* oklch */ color: oklch(52.8% 0.131 252.1);

Tailwind

colors: {
  custom: {
    50: '#7696cb',
    500: '#276db4',
    950: '#000000',
  },
}

SCSS

$custom: #276db4;
$custom-light: #7696cb;
$custom-dark: #000000;

JSON

{
  "hex": "#276db4",
  "rgb": {
    "r": 39,
    "g": 109,
    "b": 180
  },
  "hsl": {
    "h": 210.213,
    "s": 64.384,
    "l": 42.941
  },
  "oklch": {
    "l": 0.52769,
    "c": 0.13137,
    "h": 252.1
  },
  "luminance": 0.14664
}

Semantic roles & 50–950 ramp

primary

#276DB4

secondary

#C89C6F

accent

#9440E7

background

#F7F9FC

surface

#EEF1F8

border

#C9CBD1

text

#0A0D13

muted

#7C7E82

Preview Lab

Preview with #276DB4

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →